PDF-Link-Layer Contention

1 1 EE 122 Intro to Communication NetworksFall 2007 WF 4530 in Cory 277Vern PaxsonTAs Lisa Fowler Daniel Killebrew Jorge Ortizhttpinsteecsberkeleyeduee122Materials with thanks to Jenn. ca Abstract Contention for shared resources on multicore processors remains an unsolved problem in existing systems despite signi64257cant re search efforts dedicated to this problem in the past Previous solu tions focused primarily on hardware techn of RT Tasks onto a . TilePro. 64 Core Processor. 1 Background Introduction = why. 2 Goal. 3 What . 4 How. 5 Experimental Result. 6 Advantage & . Limitaion. 7 Significance & Improvement. Lei Cui . CS. 3516 – Computer Networks. Chapter 5: The Data Link Layer. Goals:. . U. nderstand . principles behind data link layer services:. E. rror . detection, correction. S. haring . a broadcast channel: multiple access. Data Link Layer Design Issues. Error Detection and Correction. Elementary Data Link Protocols. Sliding Window Protocols. Example Data Link Protocols. The Data Link Layer. Responsible for delivering frames of information over a single link. [Think – 2 minutes]. . [Pair – Tell each other what you think]. . . . [share]. [contention]. The . main contention . states the central point or argument of a piece of text or speech. Questions to consider. What is the central message the author is trying to convey to his/her audience?. What is the main point the author is trying to convince me of?. 1. Look at the title.. What is the message it is conveying?. Alma 3. Alma 3. Mosiah 2. Wages. Civil War- Atonement and Contention. 3 Nephi 11. Elder Bednar. Interestingly, the admonition to “be ye therefore perfect” is immediately preceded by counsel about how we should act in response to wrongdoing and offense. Clearly, the rigorous requirements that lead to the perfecting of the Saints include assignments that test and challenge us. . Définition. La contention a pour objectif de limiter les capacités de mobilisation d’un individu de manière à le sécuriser ou protéger son environnement. Recouvrant différents aspects, elle doit néanmoins rester exceptionnelle et s’associer à d’autres prises en charges thérapeutiques. . Définition . Etymologie : vient du latin « . contentio.  » qui signifie « lutte . ».  . Selon Agence National d’Accréditation et d’évaluation en santé (ANAES) . :. «.  La contention physique et l’utilisation de tout moyens, méthodes, matériels ou vêtements qui empêchent ou limitent les capacités de mobilisation volontaire de tout ou une partie du corps dans le seul but d’obtenir la sécurité pour un patient qui présente un comportement estimé dangereux ou mal adapté. ». 5-. 1. . Review of . MAC protocols. channel partitioning,. by time, frequency or code. Time Division, Frequency Division. random access . (dynamic), . ALOHA, S-ALOHA, CSMA, CSMA/CD. carrier sensing: easy in some technologies (wire), hard in others (wireless). 5-. 1. . Review of . MAC protocols. channel partitioning,. by time, frequency or code. Time Division, Frequency Division. random access . (dynamic), . ALOHA, S-ALOHA, CSMA, CSMA/CD. carrier sensing: easy in some technologies (wire), hard in others (wireless). Data Link Layer Outline. Parallelism between Transport and Data Link Layer. Tanenbaum’s. Treatment/Model of Data Link Layer. Protocol 1: Utopia. Protocol 2: Stop-and-Wait. Protocol 3: Positive Acknowledgment with Retransmission [. . Error-detection and -correction Techniques. Multiple Access Links and Protocols. Switched Local Area Networks . Link Virtualization: a Network as a Link Layer . Data Center Networking . Retrospective: A Day in the Life of a Web Page Request. Introduction to Networks v7.0 (ITN). Module Objectives. Module Title: . Data Link Layer. Module Objective. : Explain how media access control in the data link layer supports communication across networks.